HDU 5063 Operation the Sequence

07-20

HDU 5723 Abandoned country

07-20

HDU 5718 Oracle

07-17

HDU 5719 Arrange

07-17

HDU 5720 Wool

07-17

HDU 5054 Alice and Bob

07-17

HDU 5055 Bob and math problem

07-17

HDU 5056 Boring count

07-17

HDU 5057 Argestes and Sequence

07-17

HDU 5410 CRB and String

05-12